(1994). Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968. WIPO.
Čikaški stil citiranjaLocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. Geneva: WIPO, 1994.
MLA način citiranjaLocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. WIPO, 1994.
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